In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote:

SEROUT only works with bytes so it's best that you encapsulate it in a subroutine and then call it.  For programs that don't use interrupts you can code the subroutine like this:

[code]SUB TX_BYTE
  SEROUT TX, Baud, __PARAM1
  ENDSUB[/code]
And, of course, it's good practice to define your serial output pin using the PIN declaration, and your baud rate as a constant (see the SX/B help file).  Now you can do this:

[code]TX_BYTE eyechartcode_LSB
TX_BYTE eyechartcode_MSB[/code]
This assumes that you've defined the variable using Word; the compiler will create the _LSB and _MSB [byte] variables automatically.

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